The 10 Most Expensive Skyscrapers In The World

As skyscraper heights grow higher, and higher, the cost to build increases as well. Not only are some of the newest skyscrapers in the world getting taller, they are also getting fancier, with the newest technologies, latest materials, and sustainable concepts.

Emporis, "a leading database of information about building and construction projects, based in Germany," compiled a list of the 10 most expensive skyscrapers in the world.

At $3.9 billion, One World Trade Center in New York City is the most expensive building by far, beating out the second place finishers by $2 billion.

The resort, designed by MAD Architects, gets completely lit up and night and is meant to resemble the moon rising over Lake Tai. Every room in the hotel is designed to get daylight at all hours from every direction.

Much of the building's facade will be covered in live plants and the building's roof will have a "sky forest." The sky forest's cool air will be pushed down through the building to naturally cool the offices.

Chifley tower is used for offices and retail and is one of the "most prestigious" in Australia. A 400 ton steel pendulum hangs on the top floor of the building to counteract the building's sway in the wind.